html,body{
    background: #ffffff;
 
    font-family: "Poppins", sans-serif;
}
.section-width {
    width: 1280px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
  
}
.header-bar-icon{
    height: 40px;
 }

.header-bar-container{
    background: #ffffff;
}
.header-bar-container .header-bar{
    height: 100px;
    background: #ffffff;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;

    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    z-index: 10;
    border-bottom: 1px solid #eef0fa;
 
}
.header-bar-container .header-bar ul.nav  li{
    float: left;
     list-style-type: none;
     margin-right: 80px;

     font-size: 20px;
     color: #31354F;
     font-family: "Poppins", sans-serif;
     cursor: pointer;
 }

.header-bar-container .fix-height{
    height: 100px;
}
.mobile-menu{
    display: none;
}
.intro-container{
    position: relative;
    padding: 0 10px;
 
}
.intro-section{
    position: relative;
    background: linear-gradient(#EDEFF0,#EDEFF000);
}

.intro-bg{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    text-align: center;
    padding-top: 20px;
    opacity: 0.5;
    z-index: 0;
}
.intro-top{
    position: relative;
    z-index: 2;
}
.intro-bg img{
    width: 55%;
}
.intro-title{
    font-size: 70px;
   
    color: #31354F;
    text-align: center;
    font-family: "Poppins" ;
    font-weight: 500;
}
.intro-subtitle{
    font-size: 24px;
    color: #31354f;
    line-height: 50px;
    text-align: center;
    margin-top: 20px;
 }
 .task-ease{
    color: #FA8476;
 }
 .top-left{
    position: absolute;
    left: 0;
    top: 0;
    
}
.bottom-right{
    position: absolute;
    right: 0;
    bottom: 0;
}
.watch-btn-container{
    text-align: center;
    margin-top: 50px;
}
.video-btn{
    font-size: 22px;
    color: #ffffff;
    font-family: "Poppins" ;
   
    padding: 15px 40px;
    border-radius: 36px;
    cursor: pointer;
    background: #1967d2 ;
    border: none;
}
.video-btn:hover{
    background-color: #40c4f4;
}
.intro-image-container{
    margin-top: 90px;
    width: 100%;
    padding: 0 10px;
    position: relative;
}
.intro-image-animation{
     position: absolute;
     left: 0;
     top: 0;
     width: 100%;
     height: 100%;
}
.image-framement1{
    position: absolute;
    left: 50%;
    top: 70%;

    opacity: 0;
    transform: scale(0);
    transition: transform 0.5s ease;
}
.image-framement2{
    position: absolute;
    right: 0%;
    top: 33%;
    /* opacity: 0; */
    transform: scale(0.9);
    transition: transform 0.5s ease 0.3s;
}

.intro-image-animation.an .image-framement1{
    transform: scale(1);
    opacity: 1;
}
.intro-image-animation.an .image-framement2{
    transform: scale(1.1);
    opacity: 1;
}
 
.section-title{
    font-size: 56px;
   
    color: #31354F;
    text-align: center;
    font-family: "Poppins" ;
    font-weight: 500;

    
 

 }
 .section-title.left{
    text-align: left;
 }
 .section-subtitle{
    font-size: 20px;
    color: #31354f;
    line-height: 30px;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    margin-top: 20px;
 }
 .feature-container{
    margin: 0 -35px;
    overflow: hidden;
    margin-top: 20px;

 }

 .feature-container-item{
    width: 33.33%;
    float: left;
 }

 .feature-container-item-out{
    padding: 35px;
   
 }
 .feature-container-item-in{
    background: #f8f9f9;
    border-radius: 20px;
    padding: 30px 40px;
 }
 .feature-title{
    font-size: 24px;
    color: #31354F;
    font-weight: 500;
    font-family: "Poppins" ;
 }
 .feature-content{
    font-size: 18px;
    color: #31354F;
    font-family: "Poppins" ;
    height: 184px;
    margin-top: 20px;
 }

 .row{
    display: flex;
    flex-direction: row;
 }
 .icon-container{
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: #1967d2;
    display: flex;
    justify-content: center;
    align-items: center;
 }
 .row-between{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
 }
 .seamless-item{
    width: 50%;
    position: relative;
 }

 .down-bg{
    position: absolute;
    left: 0;
    top: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
 }
 .main-title{
    font-size: 24px;
    color: #31354F;
    font-family: "Poppins" ;
    font-weight: 500;
 
 }
 .main-subtitle{
    font-size: 16px;
    color: #31354F;
    font-family: "Poppins" ;
    opacity: 0.5;
 
 }

 .feature-price{
    font-size: 60px;
    margin-top: 20px;
    margin-bottom: 20px;
 
 }
 .unit{
    font-size: 24px;
    color: gray;
 }
 .unit.blue{
    color: #ffffff80;
 }
 .price-btn{
    font-size: 22px;
    color: #31354F;
    border: 1px solid #31354F80;
    padding: 15px 80px;
    background: transparent;
    border-radius: 32px;
 }
 .price-btn.blue{
 
    color: #ffffff;
    border: 1px solid #FFFFFF80;
 

 }
.price-item{
    font-size: 16px;
    margin-top: 20px;
    align-items: center;

}
.price-item img{
   margin-right: 10px;
}

.feature-container-item.blue .feature-container-item-in{
    background: #1967d2;
    color: #ffffff;
}
.feature-title.white{
    color: #ffffff;
}
 
 
.row-center{
    display: flex;
    flex-direction: row;
    align-items: center;
 }

 .why-container-item{
    width: 50%;
    float: left;
 }
 .why-container-item-out{
    padding: 35px;
 }
 .why-container-item-in{
    background: #ffffff;

    border-radius: 20px;
    padding: 30px 40px;
    /* background: ; */
    position: relative;
    box-shadow: 0 0px 40px #212f3c33;
 
 
}
.why-container-item-bg{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: url(../images/bg-3.png) ;
    background-size: cover;
    background-repeat: no-repeat;
}
.why-bottom img{
    width: 80px;
    height: 80px;
    overflow: hidden;
    border-radius: 40px;
 
    margin-right: 20px;
    flex-shrink: 0;
}
.why-context{
    height: 200px;
    overflow: hidden;
}

.contact{
    color: #ffffff;
    margin-top: 50px;
}
.contact-item{
    float: left;
    width: 50%;
    color: #ffffff;
}
.contact-item a{
    color: #ffffff;
}

.started{
    font-size: 32px;
    color: #ffffff;
    margin: 20px 0;
}
.input-container{
    height: 60px;
    border-radius: 30px;
    border: 1px solid #ffffff80;
    margin-top: 34px;
    margin-bottom: 90px;
    display: flex;
    flex-direction: row;

}
.input-container input{
    height: 100%;
    background-color: transparent;
    border: none;
    outline: none;
    color: #ffffff;
    padding: 0 20px;
    flex: 1;
    
}
.contact-btn{
    border-radius: 30px;
    padding: 0 40px;
    height: 100%;
    background: #40c4f4;
    color: #ffffff;
    font-size: 16px;
    border: none;


}
.mt20{
    margin-top: 20px;
}
.mobile{
    display: none;
}
input::placeholder {
    color: #ffffff; /* 设置颜色为灰色 */
}

.login-btn{
    border-radius: 30px;
    padding: 0 20px;
    height: 100%;
    background: #ffffff;
    color: #ffffff;
    font-size: 16px;
    height: 60px;
    border: none ;
    color: #1967d2 ;
 
  
}
.login-btn:hover a{
    color: #40c4f4;
}
.login-btn a{
    display: flex;
    flex-direction: row;
    align-items: center;
    color: #1967d2 ;
    font-size: 20px;
}
.login-btn a img{
    margin-right: 10px;
    width: 24px;
}

.animation-container{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}

.animation-container img{
    position: absolute;
    right: 200px;
    top: 0;
    height: 100%;
    opacity: 0;
    transition: right 0.5s ease;
}
.player{
    background: #ffffff;

    width: 100%;
    max-width: 1300px;
    height: 700px;
    position: absolute;
    left: 0;
    top: 0;
    z-index: 10;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    
}
.animation-container.an img{
    opacity: 1;
    right: 0;
    
}




@media screen and (max-width:769px) {
    .down-bg{
       display: none;
    }
    .section-width {
        width: 100%;
    }
    .nav{
        display: none;
    }
    .header-bar-icon{
    height: 30px;
    }
    .mobile-menu{
        display: block;
    }
    .intro-container{
        position: relative;
        padding: 0 10px;
        margin-top: 10px;
    }
    .header-bar-container .header-bar{
        height: 64px;
    }
    .header-bar-container  .fix-height{
        height: 64px;
    }
    .header-bar-container .header-bar ul.nav{
        display: none;
    }
    .intro-title{
        font-size: 25px;
    
    }
    .intro-subtitle{
        font-size: 20px;
        line-height: 30px;
        margin-top: 20px;
    }
    .top-left ,.bottom-right{
        display: none;
    }
    .video-btn{
        font-size: 22px;
        color: #31354f;
        font-family: "Poppins" ;
        border: 1px solid #31354f;
        padding: 10px 30px;
        border-radius: 36px;
    background: transparent;
      
    }
 

    .section-title{
        font-size: 30px;
        padding: 0 10px;
     }
     .section-title.left{
        text-align: left;
     }
     .section-subtitle{
        font-size: 15px;
        line-height: 20px;
        padding: 0 10px;
 
     }
     .feature-container-item{
        width:100%;
        
     }
     .feature-feature-container{
        margin: 0 -10px;
        overflow: hidden;
        margin-top: 50px;
    
     }
     .feature-container{
        margin: -10px;
        padding: 0 10px;
        overflow: hidden;
        margin-top: 20px;
     }
     .section-width{
        overflow: hidden;
     }
     .feature-container-item-out{
        padding: 10px;
     }
     .feature-container-item-in{
        padding: 20px;
     }

     .seamless-item{
        width: 100%;
        padding: 10px;
     }

     .feature-price{
        font-size: 30px;
     }
     .unit{
        font-size: 14px;
        
     }
     .section-title.left{
        text-align: center;
     }

     .why-container-item{
        width: 100%;
   
     }
     .why-container-item-out{
        padding: 10px;
     }
     .why-container-item-in{
  
        padding: 10px;
     
    }
    .why-bottom img{
        width: 60px;
        height: 60px;
    }
    .why-context{
        height:150px;
 
    }
    .contact-item{
       
        width: 100%;
        background: rgb(33, 94, 208);
        padding: 20px;
    }

    .contact-btn{
        border-radius: 30px;
        padding: 0 10px;
        height: 100%;
        background: #40c4f4;
        color: #ffffff;
        font-size: 14px;
    
    
    }
    .pc{
        display: none;
    }
    .contact-btn{
        border-radius: 30px;
        padding: 0 40px;
        height: 100%;
        background: #40c4f4;
        color: #ffffff;
        font-size: 16px;
        height: 40px;
        border: none;
        width: 100%;
        margin-bottom: 70px;
        margin-top: 20px;
    
    }
    .input-container{
        margin-bottom: 10px;
    }
    .mobile{
        display: block;
    }


    .login-btn{
        border-radius: 30px;
        padding: 0 20px;
        height: 100%;
        background: #ffffff;
        color: #ffffff;
        font-size: 16px;
        height: 30px;
        border: 2px solid #1967d2 ;
        color: #1967d2 ;
        display: none;
     
      
    }
    .login-btn a{
        display: flex;
        flex-direction: row;
        align-items: center;
        color: #1967d2 ;
        font-size: 14px;
    }
    .login-btn a img{
        margin-right: 10px;
        display: none;
    }

    .player{
       
        height: 210px;
    }
    
}

.dialog-menu{
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    background: #00000088;

    display: flex;
    justify-content: center;
    align-items: center;

    display: none;
}
.player-container{
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 10;


    display: none;

   
}
.mask{
    background: #00000088;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}


.menu-nav{
    background: #ffffff;
    width: 80%;
    border-radius: 8px;
}

.menu-nav li{
  /* padding: 20px 10px; */
  
   /* height: 40px;
   width: 100%; */
}

li:hover a{
    color: #40c4f4;
}

li a span{
display: inline-block;
width: 100%;
height: 100%;
}

 .menu-nav li.active a{
    color: #40c4f4;
 }

 .mobile-nav li {
    padding: 20px;
 }

 .pc-nav{
    display: flex;
    justify-content: center;
    align-items: center;
 }

 .player-box{
    position: absolute;
    left: 0;
    top: 0;
    z-index: 10;

   
 }